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Tampere, FI
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Patents Grants
last 30 patents
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Patent Grant
Process for removing a constituent from a hot gas stream by exother...
Patent number
4,927,613
Issue date
May 22, 1990
Oy Tampella AB
Sirpa Hamala
B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
Information
Patent Grant
Process for causing the gaseous sulfur compounds of flue gases to r...
Patent number
4,788,047
Issue date
Nov 29, 1988
Oy Tampella AB
Sirpa Hamala
C01 - INORGANIC CHEMISTRY
Information
Patent Grant
Process for recovering lignosulfonates from spent sulfite liquor
Patent number
4,336,189
Issue date
Jun 22, 1982
Oy Tampella AB
Sirpa L. Hamala
C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...